Which expression converts 100 inches per minute to feet per minute ?
2 answers:
To convert inches per minute to feet per minute, we can use dimensional analysis to help us cancel out the inches:
Since we are going to cancel out units that are found on both the top and bottom of the fraction bars, we can cancel out units of inches, and thus we are left with feet per minute.
Answer:
The expression is
Step-by-step explanation:
1 inch is equal to feet, so:
So, if we have 100 inches per minute, to convert it to feet per minute, we have to use the expression:
= 8.333
You need to have attention to put the unit that you need that convert on the denominator to operate and obtain your result.
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Answer: After 7 years the number of birds of species A and B are same. and the number of birds during that year will be 140.
Step-by-step explanation:
Given: Sharon is conducting research on two species of birds at a bird sanctuary.
The number of birds of species A is represented by the equation below,where S represents the number of birds, x years after beginning her research.
The number of birds of species B is represented by the equation below,where S represents the number of birds, x years after beginning her research.
To plot the above function, first find points by which they are passing.
For species A, At x=0 ,
At x=2 ,
Similarly find more points and plot curve on graph.
For species A, At x=0 ,
At x=2 ,
Plot a line with the help of these two points.
Now, from the graph the intersection of curve (for A) and line (for B) is at (7,140) which tells that After 7 years the number of birds of species A and B are same. and the number of birds during that year will be 140.
